# filtertop

> English word · Noun

## Definitions
1. The top section of an animal cage, such as a microisolator, that incorporates a filter.

## Etymology
From filter + top.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/filtertop